All, like Knutson, were assigned to elements of the 3rd Combat Aviation Brigade at Hunter Army Airfield.

According to a U.S. Military Academy alumni Web site Knutson married a former Black Hawk pilot in November and deployed to Afghanistan in January. She previously served at Fort Wainwright in Alaska and deployed on a humanitarian mission to Pakistan.

The Web site, which identifies her as Sara Marie (Knutson) Cullen, said the helicopter crash last week occurred during a training mission in heavy rain.

The crash and the deaths of two special operations forces shot by an Afghan policeman made last Monday the deadliest day for U.S. troops in Afghanistan this year, accounting for half of the 14 troops killed so far in 2013.

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